CVE-2026-2359: fallo de gravedad alta en expressjs multer
Multer vulnerable to Denial of Service via resource exhaustion
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 8.7epss 0.7%
Multer is a node.js middleware for handling `multipart/form-data`. A vulnerability in Multer prior to version 2.1.0 allows an attacker to trigger a Denial of Service (DoS) by dropping connection during file upload, potentially causing resource exhaustion. Users should upgrade to version 2.1.0 to receive a patch. No known workarounds are available.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Productos afectados
expressjs · multerCVEs relacionadas — expressjs multer
En el mismo producto, de las más peligrosas a las menos.
CVE-2026-3520HIGHMulter vulnerable to Denial of Service via uncontrolled recursionEPSS 0.8%CVE-2025-47944HIGHMulter vulnerable to Denial of Service from maliciously crafted requestsEPSS 0.8%CVE-2025-7338HIGHMulter vulnerable to Denial of Service via unhandled exception from malformed requestEPSS 0.8%CVE-2025-47935HIGHMulter vulnerable to Denial of Service via memory leaks from unclosed streamsEPSS 0.8%CVE-2026-3304HIGHMulter vulnerable to Denial of Service via incomplete cleanupEPSS 0.7%CVE-2025-48997HIGHMulter vulnerable to Denial of Service via unhandled exceptionEPSS 0.5%
Referencias
https://access.redhat.com/errata/RHSA-2026:6174https://access.redhat.com/errata/RHSA-2026:6802https://access.redhat.com/security/cve/CVE-2026-2359https://bugzilla.redhat.com/show_bug.cgi?id=2443350https://cna.openjsf.org/security-advisories.htmlhttps://github.com/expressjs/multer/commit/cccf0fe0e64150c4f42ccf6654165c0d66b9adabhttps://github.com/expressjs/multer/security/advisories/GHSA-v52c-386h-88mchttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2359.jsonhttps://www.cve.org/CVERecord?id=CVE-2026-2359